Sentences with phrase «grade open pit»
The Sleeper Gold Project is a former high - grade open pit gold producer located off a main highway about 25 miles from the town of Winnemucca.
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He is presently chairman of Nevsun Resources Ltd., which operates one of the highest - grade open - pit copper mines in the world.
The mounded material usually contain slow grade mineralized material and / or waste rock produced from open pit or underground mines.